🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 13.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,842,991 km

• M1: 162,912 km (0.059 R)
• M2: 715,078 km (0.087 R)
• M3: 1,181,524 km (0.098 R)
• M4: 1,661,135 km (0.111 R)
• M5: 2,168,122 km (0.115 R)
• M6: 3,295,641 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 10.4

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 9.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,842,991 km

• M1: 129,402 km (0.08 R)
• M2: 623,674 km (0.082 R)
• M3: 980,315 km (0.047 R)
• M4: 1,449,005 km (0.073 R)
• M5: 2,202,829 km (0.095 R)
• M6: 3,138,863 km (0.042 R)
• M7: 4,186,496 km (0.112 R)
• M8: 5,364,729 km (0.101 R)
• M9: 6,854,574 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 8.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.76 AU - 1.94 AU

Year: 1737 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,842,991 km

• M1: 108,907 km (0.101 R)
• M2: 466,596 km (0.055 R)
• M3: 1,641,537 km (0.07 R)
• M4: 1,962,425 km (0.041 R)
• M5: 2,503,670 km (0.098 R)
• M6: 3,050,301 km (0.105 R)
• M7: 3,760,142 km (0.097 R)
• M8: 4,477,464 km (0.105 R)
• M9: 4,879,434 km (0.08 R)
• M10: 5,549,782 km (0.058 R)
• M11: 7,073,137 km (0.11 R)
• M12: 8,857,092 km (0.117 R)
• M13: 9,820,053 km (0.067 R)
• M14: 10,465,119 km (0.111 R)
• M15: 11,101,957 km (0.079 R)
• M16: 11,652,178 km (0.028 R)
• M17: 12,530,916 km (0.111 R)
• M18: 13,208,445 km (0.034 R)
• M19: 14,506,356 km (0.072 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 13.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.44 AU - 3.76 AU

Year: 3768 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,842,991 km

• M1: 171,738 km (0.043 R)
• M2: 646,412 km (0.115 R)
• M3: 1,233,434 km (0.09 R)
• M4: 1,686,118 km (0.079 R)
• M5: 3,660,211 km (0.094 R)
• M6: 4,214,322 km (0.069 R)
• M7: 5,797,366 km (0.103 R)
• M8: 6,386,184 km (0.102 R)
• M9: 9,187,553 km (0.088 R)
• M10: 10,447,317 km (0.071 R)
• M11: 12,548,868 km (0.088 R)
• M12: 14,384,284 km (0.066 R)
• M13: 16,131,886 km (0.109 R)
• M14: 17,354,999 km (0.085 R)
• M15: 18,411,309 km (0.061 R)
• M16: 19,746,769 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 13

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.95 AU - 3.69 AU

Year: 4176 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,842,991 km

• M1: 161,865 km (0.096 R)
• M2: 701,764 km (0.097 R)
• M3: 1,674,449 km (0.051 R)
• M4: 2,334,475 km (0.114 R)
• M5: 2,925,536 km (0.117 R)
• M6: 3,354,433 km (0.116 R)
• M7: 3,890,143 km (0.107 R)
• M8: 4,652,195 km (0.118 R)
• M9: 6,629,430 km (0.097 R)
• M10: 7,718,053 km (0.107 R)
• M11: 8,178,366 km (0.096 R)
• M12: 11,383,052 km (0.047 R)
• M13: 12,502,792 km (0.088 R)
• M14: 14,318,461 km (0.077 R)
• M15: 17,362,628 km (0.088 R)
• M16: 19,945,136 km (0.073 R)
• M17: 22,202,119 km (0.087 R)
• M18: 24,171,426 km (0.116 R)
• M19: 26,813,922 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 12.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.41 AU - 3.59 AU

Year: 4520 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,842,991 km

• M1: 151,842 km (0.102 R)
• M2: 565,330 km (0.082 R)
• M3: 1,310,328 km (0.12 R)
• M4: 1,692,700 km (0.103 R)
• M5: 2,434,107 km (0.111 R)
• M6: 2,828,297 km (0.075 R)
• M7: 3,811,455 km (0.095 R)
• M8: 4,394,288 km (0.106 R)
• M9: 5,433,843 km (0.102 R)
• M10: 5,852,867 km (0.072 R)
• M11: 8,246,433 km (0.064 R)
• M12: 10,877,710 km (0.041 R)
• M13: 11,500,636 km (0.096 R)
• M14: 12,672,136 km (0.072 R)
• M15: 15,142,296 km (0.112 R)
• M16: 16,490,622 km (0.114 R)
• M17: 18,535,775 km (0.079 R)
• M18: 20,744,886 km (0.1 R)
• M19: 21,773,222 km (0.061 R)
• M20: 24,605,708 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 12.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.38 AU - 5.8 AU

Year: 7927 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,842,991 km

• M1: 156,779 km (0.076 R)
• M2: 1,379,442 km (0.093 R)
• M3: 2,470,160 km (0.088 R)
• M4: 3,545,021 km (0.081 R)
• M5: 3,991,870 km (0.089 R)
• M6: 4,560,790 km (0.059 R)
• M7: 5,152,599 km (0.071 R)
• M8: 5,795,122 km (0.113 R)
• M9: 6,276,079 km (0.113 R)
• M10: 6,709,614 km (0.077 R)
• M11: 7,637,121 km (0.114 R)
• M12: 8,604,421 km (0.07 R)
• M13: 10,083,794 km (0.098 R)
• M14: 10,579,262 km (0.078 R)
• M15: 17,721,214 km (0.098 R)
• M16: 18,225,060 km (0.102 R)
• M17: 18,812,531 km (0.117 R)
• M18: 19,337,021 km (0.116 R)
• M19: 21,129,203 km (0.096 R)
• M20: 24,328,952 km (0.095 R)
• M21: 26,229,294 km (0.092 R)
• M22: 28,422,099 km (0.072 R)
• M23: 29,312,506 km (0.118 R)
• M24: 31,462,527 km (0.084 R)
• M25: 33,935,828 km (0.086 R)
• M26: 36,304,710 km (0.083 R)
• M27: 39,877,407 km (0.106 R)
• M28: 40,494,797 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.2

Radius: 5.8

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.82 AU - 6.56 AU

Year: 9369 Days

Day: 24.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,842,991 km

• M1: 129,253 km (0.118 R)
• M2: 393,891 km (0.117 R)
• M3: 698,622 km (0.114 R)
• M4: 1,432,250 km (0.11 R)
• M5: 2,782,969 km (0.086 R)
• M6: 3,092,338 km (0.108 R)
• M7: 8,045,224 km (0.11 R)
• M8: 8,502,694 km (0.098 R)
• M9: 9,979,375 km (0.099 R)
• M10: 11,308,552 km (0.105 R)
• M11: 12,751,573 km (0.072 R)
• M12: 14,313,225 km (0.082 R)
• M13: 14,737,933 km (0.078 R)
• M14: 16,258,297 km (0.094 R)
• M15: 18,302,103 km (0.076 R)
• M16: 20,055,689 km (0.076 R)
• M17: 23,808,651 km (0.043 R)
• M18: 29,052,804 km (0.112 R)
• M19: 30,424,766 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.9

Radius: 3.5

Gravity: 62.03 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.85 AU - 8.73 AU

Year: 15008 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,842,991 km

• M1: 43,533 km (0.116 R)
• M2: 290,220 km (0.064 R)
• M3: 783,893 km (0.05 R)
• M4: 987,795 km (0.1 R)
• M5: 1,134,101 km (0.103 R)
• M6: 2,531,196 km (0.112 R)
• M7: 2,759,333 km (0.114 R)
• M8: 3,554,146 km (0.066 R)
• M9: 12,529,869 km (0.088 R)
• M10: 12,791,366 km (0.092 R)
• M11: 17,242,950 km (0.034 R)
• M12: 18,900,943 km (0.06 R)
• M13: 28,240,188 km (0.058 R)
• M14: 29,029,616 km (0.108 R)
• M15: 29,257,903 km (0.116 R)
• M16: 32,580,023 km (0.107 R)
• M17: 34,843,438 km (0.115 R)
• M18: 36,144,940 km (0.117 R)
• M19: 37,343,817 km (0.081 R)
• M20: 38,569,024 km (0.071 R)
• M21: 39,540,213 km (0.109 R)
• M22: 45,251,112 km (0.069 R)
• M23: 49,511,210 km (0.114 R)
• M24: 52,495,090 km (0.112 R)
• M25: 53,003,872 km (0.102 R)
• M26: 62,351,046 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.5

Radius: 8

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.91 AU - 12.09 AU

Year: 23485 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,842,991 km

• M1: 99,483 km (0.086 R)
• M2: 910,303 km (0.043 R)
• M3: 2,135,360 km (0.037 R)
• M4: 3,712,570 km (0.102 R)
• M5: 5,350,966 km (0.118 R)
• M6: 7,628,594 km (0.055 R)
• M7: 8,327,365 km (0.116 R)
• M8: 10,292,184 km (0.08 R)
• M9: 20,232,364 km (0.116 R)
• M10: 20,637,026 km (0.045 R)
• M11: 23,511,250 km (0.102 R)
• M12: 35,441,980 km (0.034 R)
• M13: 44,962,986 km (0.065 R)
• M14: 54,872,798 km (0.103 R)
• M15: 57,458,597 km (0.08 R)
• M16: 62,230,321 km (0.108 R)
• M17: 77,130,717 km (0.112 R)
• M18: 77,870,628 km (0.066 R)
• M19: 87,924,503 km (0.141 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 11,636 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit